All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The ball on top of a flagpole is called a 'truck'.
24
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41